Cal 34-Iii Sailboats for Sale

C. William Lapworth·1977 – 1979·~193 hulls·Jensen Marine
Approximate drawing

Hover a measurement to read its value

Hull Type
Monohull · fin
Rig
Masthead Sloop
LOA
33.24' · 10.13 m
Disp.
10,200 lbs · 4,627 kg
First year
1977

The Cal 34 Mark III stands as the final and most refined iteration of the classic American racercruiser sailboat designed by C. William Lapworth, built by Jensen Marine (Cal Yachts) from 1977 to 1979 with approximately 20–30 hulls produced as part of the overall ~196 Cal 34 series. Where the earlier Cal 34, Cal 234, and Cal 334 evolved through three model designations between 1966 and 1979, the Mark III represents the latestage refinement of a hull form that remained basically unchanged during the production life, yet deliberately shifted toward bluewater cruising with a bridge deck for better protection and added wood trim. At 33.24 feet LOA with a 26foot waterline, 10foot beam, 10,200pound displacement, and 4,650 pounds of ballast, the Mark III carries the Lapworth lineage into a more comfortoriented conclusion without abandoning the racercruiser premise.

Market snapshot

Median asking · 12 mo
$ 24,500
Asking price · 4 listings
Recent listings · 90 d
4
4 tracked · 12 mo
3-month price trend
0.0%
vs. 12-mo median
Countries with listings
1
United States (100.0%)

Recent Listings

4 for sale · showing 10 newest

Cal 34-Iii Buyer's Guide

The Cal 34 Mark III is the final refinement of Jensen Marine's long-running Lapworth-designed racer-cruiser series, built from 1977 to 1979 in modest numbers as part of the broader ~196-boat Cal 34 family. For a shopper on the brokerage market, the Mark III offers the late-era cruising upgrades — bridge deck, taller balanced rig, and modern interior comforts — wrapped around a hull form that remained basically unchanged across the whole Cal 34 production run. Knowing what to look for on these boats means separating the series-wide wear patterns from the features that define the Mark III's place at the end of the lineage.

Layouts on the Used Market

The Mark III belongs to the later Cal 34 generation, and its interior follows the more modern conventional layout seen in the Cal 3-34: galley aft to port, quarterberth and chart table to starboard, with a saloon settee to starboard and dinette to port. Both Cal 34 layouts share V-berths in the forward cabin and a head between the main cabin and forward cabin, though head layout differs between models. Later boats adopted an oiled teak interior rather than the original varnished mahogany plywood, which is lighter and brighter but harder to restore; mahogany blackens when exposed to salt water. Water capacity grew to 60 gallons on later boats, and the Cal 3-34 carried hot and cold pressure water with a shower as standard. Headroom on centerline in the main cabin is 6 feet 2 inches, and the boat uses its 33-foot-plus length to deliver as much interior space as older boats 3 feet or more longer.

Equipment and Common Upgrades

On the used market, a spinnaker is commonly fitted to Cal 34 Mark III boats, consistent with the masthead sloop rig's documented sail inventory. Items often seen on these boats include hot water, bimini, radar, AIS, autopilot, chartplotter, and short-handed setups, reflecting typical cruising modernization rather than factory specification alone. Wheel steering is standard in the 3-34 version built in 1976 and later, so Mark III boats will generally have it from the factory; on earlier longer-boom Cal 34s, installing wheel steering was one of the most common modifications and required relocating the mainsheet. The engine is under the cockpit driven through a V-drive, originally an Atomic Four gas engine with mid-1970s diesels such as Farymann, Westerbeke, and Perkins appearing in the line.

What to Inspect

A number of owners report that the main bulkhead tends to delaminate due to leaking chainplates, and since this is potentially a serious structural problem any Cal 34 should be carefully surveyed for leakage in this area; several owners also report chainplate failure due to metal fatigue. Check the deck around the mast step and the fiberglass keel molding, and tap the keel molding with a mallet so it should not ring hollow when tapped, which would indicate a loose ballast casting from a hard grounding. Crazing is very common on the deck gelcoat, the distinctive blue Cal sheerstrake is likely badly faded unless painted, and older boats had gate valves rather than seacocks on through hull fittings which should be replaced. The lack of backing plates on stanchions can cause localized deck crazing, and leaking aluminum-framed cabin ports are a known issue. Some owners report sloppy rudders from wear of the fiberglass tube serving as stuffing box and bearing, and owners recommend larger cockpit scuppers because the two small stock scuppers are inadequate for the big cockpit.

Availability and Buyer's Takeaway

Cal 34 Mark III boats are found in the United States market. For a buyer, the checklist is straightforward: survey the main bulkhead and chainplates for leakage and delamination; confirm keel molding is solid when tapped; replace gate valves with seacocks; inspect deck gelcoat crazing and fading sheerstrake; verify rudder tube wear and cockpit scupper capacity; and avoid Farymann diesels where parts are unavailable. The Mark III rewards the careful shopper with a balanced, spacious late-generation Lapworth cruiser.

Where they're listed

Cal 34-Iii listings appear across 1 country. United States has the most listings with 4.

Median ask by country
USD · past 12 months
Share of listings
Count · past 12 months

Country view

4 listings · 1 country
CountryMedian askListings · 12 moActive · 90 dShare
United States$ 24,50044100.0%

Comparable models

Similar length, displacement, and era. Open a row to compare that model's market page.

Similar boats to compare

5 similar designs
ModelLOAMedian askListings · 12 moActive · 90 d
Hunter 3434.42'$ 24,0005310
C&C Yachts 3433.5'$ 18,2002612
Pearson 3433.79'$ 16,000176
CAL 3332.67'$ 24,9001311
CAL 34-IiiYou are here$ 24,50044

Frequently asked questions

01How much does a used Cal 34-Iii cost?+
The median asking price for a used Cal 34-Iii over the past 12 months is $24,500. Prices vary by condition, year, equipment, and location.
02How many Cal 34-Iii sailboats are for sale?+
4 Cal 34-Iii listings have gone live in the last 90 days, and 4 have been tracked across the past 12 months.
03Are Cal 34-Iii prices going up or down?+
The median asking price for the Cal 34-Iii has stayed steady over the last 3 months compared with the 12-month median.
04Where are Cal 34-Iii sailboats for sale?+
The top markets for used Cal 34-Iii listings over the past 12 months are United States (100.0%).
05What should I look at instead of a Cal 34-Iii?+
Comparable models include Hunter 34, C&C Yachts 34, Pearson 34. Use the comparison table above to check pricing and availability.